fix: preserve checkbox selection across table re-renders

Snapshot checked row IDs before each innerHTML swap in the virtual hosts,
service tunnels, and server tunnels tables so that periodic refresh cycles
no longer reset multi-selection state.

extension/dashboard/pages/servers.js

@@ -40,6 +40,10 @@ function updateSwarmsTable(state) {
     return;
   }
 
+  // Snapshot checked checkboxes so selection survives the innerHTML swap
+  const _checkedServerIds = new Set();
+  tbody.querySelectorAll('.server-row-cb:checked').forEach(cb => _checkedServerIds.add(cb.dataset.serverId));
+
   tbody.innerHTML = servers.map(s => {
     const id = s.id || s.serverId || '';
     const url = s.url || s.hsUrl || '';
@@ -81,6 +85,7 @@ function updateSwarmsTable(state) {
   }).join('');
 
   tbody.querySelectorAll('.server-row-cb').forEach(cb => {
+    if (_checkedServerIds.has(cb.dataset.serverId)) cb.checked = true;
     cb.addEventListener('change', _updateServerBulkBar);
   });
 

extension/dashboard/pages/service-tunnels.js

@@ -36,6 +36,10 @@ function updateServiceTunnelsTable(state) {
     _latencySnapshot[b.dataset.pingHost + ':' + b.dataset.pingPort] = { text: b.textContent, color: b.style.color };
   });
 
+  // Snapshot checked checkboxes so selection survives the innerHTML swap
+  const _checkedTunnelIds = new Set();
+  tbody.querySelectorAll('.svc-row-cb:checked').forEach(cb => _checkedTunnelIds.add(cb.dataset.tunnelId));
+
   if (tunnels.length === 0) {
     tbody.innerHTML = `
       <tr><td colspan="6">
@@ -111,6 +115,7 @@ function updateServiceTunnelsTable(state) {
   });
 
   tbody.querySelectorAll('.svc-row-cb').forEach(cb => {
+    if (_checkedTunnelIds.has(cb.dataset.tunnelId)) cb.checked = true;
     cb.addEventListener('change', _updateSvcBulkBar);
   });
 

extension/dashboard/pages/virtual-hosts.js

@@ -34,6 +34,10 @@ function updateConnectionsTable(state) {
     _latencySnapshot[b.dataset.pingHost + ':' + b.dataset.pingPort] = { text: b.textContent, color: b.style.color };
   });
 
+  // Snapshot checked checkboxes so selection survives the innerHTML swap
+  const _checkedHostnames = new Set();
+  tbody.querySelectorAll('.vhost-row-cb:checked').forEach(cb => _checkedHostnames.add(cb.dataset.hostname));
+
   if (virtualHosts.length === 0) {
     tbody.innerHTML = `
       <tr><td colspan="6">
@@ -103,6 +107,7 @@ function updateConnectionsTable(state) {
   });
 
   tbody.querySelectorAll('.vhost-row-cb').forEach(cb => {
+    if (_checkedHostnames.has(cb.dataset.hostname)) cb.checked = true;
     cb.addEventListener('change', _updateVhostBulkBar);
   });